| Seiyuu | Role |
| Hirofumi Nojima | Gainer Sanga |
| Wotoya Kawano | Gain Bijou |
| Mugihito | Manman Doutton |
| Noriko Kitou | Anna |
| Yumiko Nakanishi | Miya Raujin |
| Takehito Koyasu | Asuham Boon |
| Toru Kusano | Hughes Gauri |
| Ai Kobayashi | Sarah Kodama |
| Hisao Egawa | Yassaba Jin (Episode 1 - 5, 26) |
| Fumiko Orikasa | Karin (Episode 6, 25, 26) |
| Seiji Sasaki | Kizz Munto (Episode 7, 21 - 24) |
| Tadahisa Saizen | Tan (Episode 7, 21, 24, 25) |
| Keiji Fujiwara | Kashimaru Baare (Episode 15 - 19) |
| Kazunari Tanaka | Shitta (Episode 25) |
| Tetsu Inada | Shinjin (Episode 1 & 2) |